CN105336970A - Fuel cell system and method for controlling the same - Google Patents
Fuel cell system and method for controlling the same Download PDFInfo
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- CN105336970A CN105336970A CN201410669623.8A CN201410669623A CN105336970A CN 105336970 A CN105336970 A CN 105336970A CN 201410669623 A CN201410669623 A CN 201410669623A CN 105336970 A CN105336970 A CN 105336970A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
- B60L58/31—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for starting of fuel cells
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
- B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
- B60L58/34—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by heating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04268—Heating of fuel cells during the start-up of the fuel cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
- H01M8/04302—Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during start-up
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0432—Temperature; Ambient temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04701—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2260/00—Operating Modes
- B60L2260/10—Temporary overload
- B60L2260/16—Temporary overload of electrical drive trains
- B60L2260/167—Temporary overload of electrical drive trains of motors or generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2260/00—Operating Modes
- B60L2260/20—Drive modes; Transition between modes
- B60L2260/22—Standstill, e.g. zero speed
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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- Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Fuel Cell (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
A fuel cell system and a method tor controlling the same are provided. The method includes rapidly increasing an angular speed of a rotating magnetic field of an induction motor to maximize iron loss of the induction motor, thereby resulting in an increase in the temperature of a rise cell stack. The method further includes eliminating torque of a driving motor generated by an increase in the angular speed of the rotating magnetic field, using a torque eliminator. The torque eliminator includes a P-stage reducer or a hydraulic break.
Description
Technical field
The present invention relates to fuel cell system and the method for controlling this fuel cell system, more specifically relating to the fuel cell system of the temperature of the fuel cell pack that increases sharply in cold start conditions and the method for controlling this fuel cell system.
Background technology
Fuel-cell vehicle comprises stackingly to be had as multiple fuel cells of driving power, the hydro-thermal management system that being configured to answer the fuel system of fuel cell pack using providing as the hydrogen of fuel work, being configured to the air supply system being used as the air of oxidant supplied in electrochemical reaction in a fuel cell stack and the temperature that is configured to fuel metering battery pile.
Fuel system reduces the pressure of the compressed hydrogen be stored in hydrogen storage tank, and the hydrogen after being reduced by pressure is supplied to the fuel electrode (anode) of fuel cell pack.Air supply system is also configured to operation air blast the air of suction to be supplied to the air electrode (negative electrode) of fuel cell pack.
When hydrogen and oxygen are supplied to fuel electrode and the air electrode of fuel cell pack respectively, produce hydrogen ion via catalytic reaction from fuel electrode.Hydrogen ion moves to oxidizing electrode (air electrode) via dielectric film, and at hydrogen ion, there is electrochemical reaction between electronics and oxygen, thus produce power.More specifically, there is oxidation reaction via the electrochemical oxidation reactions of the hydrogen in fuel electrode, and via the electrochemical reaction of the oxygen in air reaction, reduction reaction occurs.In addition, the ionic transfer produced, thus produces electric and hot.In this process, steam and water is produced via the chemical reaction making hydrogen be combined with oxygen.
Exhaust apparatus is mounted heat, steam and the water that exhaust byproduct such as produces when fuel cell pack produces electric energy, and residue such as hydrogen and oxygen.Through ventilation duct release gas such as steam, hydrogen and oxygen.The current-order sent by current-order maker outputs to current controller (not shown).Current controller is configured to generate d shaft voltage instruction and the instruction of q shaft voltage, and then generates three-phase voltage instruction.Therefore, can control to control motor via pulse width modulation and three-phase current.
When fuel-cell vehicle stops, a part of water produced during driving vehicle remains in fuel cell pack.When external temperature quite low (such as, below predetermined temperature), residual water usually freezes and finally may become ice and cause can not ato unit.There is the multiple reliable method realizing cold start-up.One method comprises and uses heater to make cooling water warm up rapidly, and another kind of method comprises and uses the heater that is arranged on the pipeline of air supply system to add hot-air.
But, be arranged in when heater being installed cold start-up on the suction channel between air blast and humidifier and by using the hot-air discharged from fuel cell pack to make the housing ventilation around fuel cell pack carry out heating fuel battery pile and there are some shortcomings.The example of some shortcomings needs extra heater to carry out heating fuel battery pile and change on fuel cell pack claimed structure.In other words, required change makes the configuration of building block and designs complicated and add manufacturing cost.In addition, heater is used fuel cell pack to be heated to the considerable time increase of desired level requirement.
Above-mentionedly be only intended to help to understand background of the present invention, and be not intended to mean the present invention and fall in the scope of correlation technique well known by persons skilled in the art.
Summary of the invention
The object of the present invention is to provide can use sense induction motor (when induction motor the is used as drive motor) fuel cell system of temperature of the fuel cell pack that increases sharply and the method for controlling this fuel cell system.
According to an illustrative embodiment of the invention, method for controlling fuel cell system can comprise: the angular speed of the rotating magnetic field of the induction motor being configured to the iron loss maximizing induction motor that increases sharply, and this can cause the temperature of fuel cell pack to increase; And use moment of torsion arrester to eliminate the moment of torsion of the drive motor that can be produced by the angular speed increase of rotating magnetic field.Moment of torsion arrester can comprise at least one that be selected from P shelves decelerator and hydraulic brake.The instruction of P shelves decelerator is in the decelerator under the state that decelerator engages with parking gear (P gear).
Control method can also comprise: the change-speed gearing determining vehicle whether can with P gears meshing; And when determining change-speed gearing and the P gears meshing of vehicle, the angular speed of the rotating magnetic field that increases sharply.When change-speed gearing is not with P gears meshing, request signal can be changed, change-speed gearing to be shifted gears to P gear by output gear.When in response to gear change request signal and change-speed gearing is shifted gears to P gear time, the angular speed of rotating magnetic field can be increased.Control method can also comprise: determine that external temperature that whether fuel-cell vehicle is in fuel-cell vehicle is equal to or less than the cold start-up environment of predetermined temperature.When determining that fuel-cell vehicle is in cold start-up environment, the angular speed of the rotating magnetic field increasing drive motor can be performed.Control method can also comprise: after the angular speed increasing rotating magnetic field, increase the current instruction value of motor to increase the induced current of induction motor.
According to an aspect of the present invention, fuel cell system can comprise fuel cell pack, be configured to from the angular speed of the rotating magnetic field of the inverter of fuel cell pack received power, the induction motor driven according to the signal exported from inverter, the induction motor that is configured to increase sharply with the controller and being configured to maximizing the iron loss of the induction motor that the temperature of fuel cell pack can be caused to increase eliminate can because the angular speed of rotating magnetic field increases the moment of torsion arrester of the moment of torsion of the induction motor of generation.
According to another aspect of the present invention, can be reduced the efficiency of induction motor by the iron loss increasing induction motor thus can be promoted that the electrochemical reaction in fuel cell pack is possible, this can cause increasing sharply of the temperature of fuel cell pack.In addition, the moment of torsion being produced motor by the increase of used heat eliminated owing to producing from induction motor makes the stable operation of induction motor be possible.
Accompanying drawing explanation
Of the present invention above and other objects, feature and other advantages be more clearly understood from below in conjunction with in the detailed description of accompanying drawing, wherein:
Fig. 1 is the block diagram of the fuel cell system schematically shown according to an exemplary embodiment of the present invention;
Fig. 2 is the exemplary process diagram of the control method illustrated for the fuel cell system according to an exemplary embodiment of the present invention;
Fig. 3 is the example chart that moment of torsion and the power loss increasing according to the angular speed of the rotating magnetic field of an exemplary embodiment of the present invention and increase according to angular speed is shown; And
Fig. 4 be illustrate according to an exemplary embodiment of the present invention under the angular speed of constant rotating magnetic field according to the example chart of the change of the power loss of current instruction value.
Embodiment
Term as used herein only for describe particular implementation object and be not intended to restriction invention.As used herein, unless clearly pointed out in addition in context, singulative " (a) ", " one (an) " and " being somebody's turn to do " are also intended to comprise plural form.It should be further understood that, when used in this specification, term " comprise " and/or " including " specifically specify state feature, entirety, step, operation, element and/or composition existence, but do not get rid of other features one or more, entirety, step, operation, element, the existence of composition and/or its combination or interpolation.As used herein, term "and/or" comprises any or all of combination that project is listed in one or more association.
Although illustrative embodiments is described to use multiple unit to perform example process, should be understood that, also can perform example process by one or more module.In addition, should be understood that, term controller/control unit refers to the hardware device comprising memory and processor.Memory is configured to memory module and processor is configured to perform described module to perform the one or more processes be further described below particularly.
In addition, control logic of the present invention may be embodied as the non-transitory computer readable medium on the computer-readable medium comprising the executable program instructions performed by processor, controller/control unit etc.The example of computer-readable medium includes but not limited to ROM, RAM, CD (CD)-ROM, tape, floppy disk, flash disc drives, smart card and optical data storage.Computer readable recording medium storing program for performing can also be distributed in the computer system of network coupling, thus is such as stored in a distributed way by telematics server or controller local area network (CAN) and performed computer readable medium.
Be to be understood that term used herein " vehicle " or " vehicle " or other similar term comprise, such as comprise the motor vehicles of passenger car of Sport Utility Vehicles (SUV), bus, truck, multiple commerial vehicle, comprise the water carrier of various ship and ship, aircraft etc., and comprise hybrid electric vehicle, motor vehicle, internal combustion vehicle, plug-in hybrid electric vehicles, hydrogen-powered vehicle and other optional fuel vehicle (fuel such as obtained from the resource except oil).
Unless specifically stated otherwise or obvious from context, as used herein, term " approximately " is interpreted as in the scope of normally tolerance in the art, such as, in 2 standard deviations of mean value." approximately " can be understood as in 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, 1%, 0.5%, 0.1%, 0.05% or 0.01% of setting.Unless context separately clearly demonstrates, otherwise all numerical value provided here is all modified by term " approximately ".
The concrete structure of illustrative embodiments of the present invention disclosed herein and functional description are only for the illustrative object of illustrative embodiments of the present invention.The present invention can be implemented in many different forms when not departing from spirit of the present invention and key character.Therefore, only disclose illustrative embodiments of the present invention for illustration purposes, and should not be construed as restriction the present invention.
Owing to can differently revise illustrative embodiments of the present invention in many different forms, therefore with detailed reference to various illustrative embodiments of the present invention, their object lesson is shown in the drawings and be described below.Although will describe the present invention in conjunction with its illustrative embodiments, should be understood that, this description is not intended to limit the invention to those illustrative embodiments.On the contrary, the present invention is intended to not only contain illustrative embodiments, also contains various alternative, mode of texturing, equivalent way.
Should be understood that, although term " first ", " second " etc. can be used here to describe various element, these elements not should limit by these terms.These terms are only used for by an element with another element region separately.Such as, when not departing from instruction of the present invention, below the first element of discussing can be referred to as the second element.Similarly, the second element also can be referred to as the first element.
Should be understood that, when element is called as " coupling " or " connection " in another element, it can direct-coupling or be connected to another element or can there is intermediary element in-between.On the contrary, should be understood that, when element is called as " direct-coupling " or " directly connecting " in another element, to there is not intermediary element.Illustrate other statements of the relation between element such as " ... between ", " directly exist ... between ", " being adjacent to " or " being directly adjacent to " should annotate in the same manner.
Unless otherwise defined, otherwise all terms of the technology that comprises used here and scientific terminology have and the identical meanings usually understood by those skilled in the art.It should be further understood that, those terms defined in common dictionary should be interpreted as having the meaning consistent with their implications in background of related and the disclosure, and will not explain with idealized or excessive formal meaning, unless clearly limit here.
Hereinafter, illustrative embodiments of the present invention is described in detail with reference to accompanying drawing.In all of the figs, identical reference marker refers to same or analogous parts.
Fig. 1 is the block diagram of the fuel cell system schematically shown according to an exemplary embodiment of the present invention.Fuel cell system according to an embodiment of the invention can comprise fuel cell pack 10, be configured to the inverter 20 from fuel cell pack 10 received power, the induction motor 30 driven by the signal exported from inverter 20, be configured to the moment of torsion arrester 40 of the moment of torsion eliminating the induction motor 30 that can produce because the rotating magnetic field angular speed of induction motor 30 increases, and the angular speed being configured to the rotating magnetic field increasing induction motor 30 is fast to maximize the controller 50 of the iron loss of the induction motor 30 that the temperature of fuel cell pack 10 can be caused to increase.
Induction motor 30 can be selected from traction motor, blower motor and three-phase alternating current (AC) motor.The stator of induction motor 30 can comprise three coils, and these three coils can receive the current command signal from the instruction of d shaft current and the instruction modification of q shaft current can each other with 90 degree of phase differences, to regulate rotary speed and the moment of torsion of induction motor 30.Under normal operating condition when fuel cell system is not in cold start-up environment, induction motor 30 can be configured to operate with maximal efficiency.Induction motor 30 can as the load of the operating temperature of the fuel cell pack 10 that increases sharply.In other words, when the loss from induction motor 30 increases, the power obtained from fuel cell pack 10 can be distributed.The function of induction motor 30 can be convert electric energy to the mechanical energy for rotating.Technology of the present invention can increase consumption as the ratio of the energy of heat.Inverter 20 can comprise multiple semiconductor switching device such as IGBT (insulated gate bipolar transistor) and be configured to the direct current exported from fuel cell pack (DC) to convert to multiple diodes of the alternating current (AC) used by the coil of stator.
Controller 50 can be configured to increase sharply the angular speed of rotating magnetic field of induction motor 30, to maximize the iron loss (magnetic hysteresis loss) of induction motor 30.Fig. 3 is the increase of the angular speed that rotating magnetic field is shown and the example chart according to the moment of torsion produced of angular speed and the change of power loss.As shown in Figure 3, along with the increase of the angular speed of rotating magnetic field, the iron loss of induction motor 30 increases and the moment of torsion of induction motor 30 reduces.This can be confined to when stopping induction motor and applying preset torque instruction.In other words, the angular speed of the rotating magnetic field of induction motor 30, the moment of torsion that produces are relative to each other with iron loss.In addition, the iron loss of induction motor 30 is directly proportional to the used heat from motor.Iron loss can be loss owing to induction motor 30 and it can be magnetic hysteresis loss.Magnetic hysteresis loss is the energy consumed as frictional heat when dipole molecule is mobile due to the change of magnetizing force.In other words, when the angular speed of rotating magnetic field increases, in order to increase magnetizing force, iron loss also increases.Therefore, controller 50 can be configured to the angular speed of increase rotating magnetic field to increase the iron loss of induction motor 30.The moment of torsion that can produce due to the increase of the speed of rotating magnetic field can be eliminated by moment of torsion arrester 40.Moment of torsion arrester 40 can be P shelves decelerator or hydraulic brake, but is not limited thereto.
When moment of torsion arrester 40 is P shelves decelerators, controller 50 can be configured to determine whether change-speed gearing is engaged to parking gear (P gear).In response to determining that change-speed gearing is not engaged to P gear, controller 50 can be configured to by change-speed gearing gearshift to increase the speed of rotating magnetic field after engaging P gear.In addition, controller 50 can be configured to determine whether fuel-cell vehicle can be in the cold start-up environment of current outside temperature lower than predetermined temperature of fuel-cell vehicle.When determining that condition is cold start-up environment, can the iron loss of unnecessary increase induction motor 30.
Fig. 2 is the exemplary process diagram of the method for controlling fuel cell system illustrated according to an exemplary embodiment of the present invention.Method for controlling fuel cell system can comprise: when opening firing key (step S201), whether is in cold start-up environment (step S203) by controller determination fuel-cell vehicle.When being in cold start-up environment, the P shelves decelerator that can operate as moment of torsion arrester 40 can be configured to determine that whether change-speed gearing is current and be engaged to P gear (step S205).Moment of torsion arrester 40 can be performed by controller 50.When change-speed gearing is not engaged to P gear, controller 50 can be configured to output gear and changes request signal (step S207) and determine whether change-speed gearing shifts gears P gear (step S209).When change-speed gearing keeps being engaged to or shifting gears P gear, controller 50 can be configured to the angular speed (step S211) of the rotating magnetic field increasing induction motor 30.When the speed of the increase of rotating magnetic field reaches predetermined speed, controller 50 can be configured to increase the value that will output to the current-order of induction motor 30, to increase the induced current of induction motor 30 with the speed of substantially invariable rotating magnetic field.
Fig. 4 illustrates the example chart fluctuated according to the iron loss of the change of current-order under the speed of constant rotating magnetic field.As shown in Figure 4, when when the angular speed of rotating magnetic field is about 30000rpm, current instruction value increases, torque command and the iron loss value of induction motor 30 all increase.
In addition, controller 50 can be configured to indication torque arrester 40 and eliminate the moment of torsion produced by the speed increase of rotating magnetic field.Relation can be there is between the moment of torsion produced and the used heat from induction motor 30.In addition, the load by using moment of torsion arrester to eliminate the moment of torsion produced can to increase fuel cell pack 10 is possible.Therefore, it is possible for can reducing cold start fuel battery car required time.
Although describe the present invention with reference to illustrative embodiments shown in the drawings for exemplary purpose, but those skilled in the art should be understood that, when not departing from scope of the present invention and essence, various amendment and equivalent implementations are possible.Therefore, substantial technological protection range of the present invention defines by appended claim.
Claims (20)
1., for controlling a method for the operation of fuel cell system, comprising:
Increased the angular speed of the rotating magnetic field of induction motor by controller, to maximize the iron loss of described induction motor, thus increase the temperature of fuel cell pack; And
Use moment of torsion arrester by described controller, eliminate the increase due to described angular speed of drive motor and the moment of torsion that produces.
2. method according to claim 1, wherein, described moment of torsion arrester comprises parking shelves decelerator or hydraulic brake.
3. method according to claim 2, also comprises:
Whether parking gear is engaged to by the change-speed gearing of described controller determination vehicle; And
When described change-speed gearing is engaged to described parking gear, increased the angular speed of described rotating magnetic field by described controller.
4. method according to claim 3, also comprises:
When described change-speed gearing is not engaged to described parking gear, change request signal, described change-speed gearing to be shifted gears to described parking gear by described controller output gear.
5. method according to claim 4, also comprises:
When described parking gear shifted gears by described change-speed gearing in response to described gear changes request signal, increased the described angular speed of described rotating magnetic field by described controller.
6. method according to claim 1, also comprises:
The external temperature whether being in fuel-cell vehicle by described controller determination fuel-cell vehicle is equal to or less than the cold start-up environment of predetermined temperature; And
In response to determining that described fuel-cell vehicle is in described cold start-up environment, increase described angular speed by described controller.
7. method according to claim 1, also comprises:
After the described angular speed increasing described rotating magnetic field, increased the value of the current-order of described motor by described controller, to increase the induced current of described induction motor.
8. a fuel cell system, comprising:
Fuel cell pack;
Inverter, it is configured to from described fuel cell pack received power;
Induction motor, it is driven by the signal exported from described inverter;
Controller, it is configured to:
Increase sharply the angular speed of rotating magnetic field of described induction motor, to maximize the iron loss of described induction motor and to increase the temperature of described fuel cell pack; And
Moment of torsion arrester is used to eliminate the moment of torsion of the described induction motor increased due to the increase of the described angular speed of described rotating magnetic field.
9. fuel cell system according to claim 8, wherein, described moment of torsion arrester comprises parking shelves decelerator or hydraulic brake.
10. fuel cell system according to claim 9, wherein, described controller is also configured to:
Determine whether the change-speed gearing of vehicle is engaged to parking gear; And
When described change-speed gearing is engaged to described parking gear, increase the described angular speed of described rotating magnetic field.
11. fuel cell systems according to claim 10, wherein, described controller is also configured to:
When described change-speed gearing is not engaged to described parking gear, exports and described change-speed gearing gearshift is changed request with the gear engaging described parking gear.
12. fuel cell systems according to claim 11, wherein, described controller is also configured to:
When described parking gear shifted gears by described change-speed gearing in response to described gear changes request, increase the described angular speed of described rotating magnetic field.
13. fuel cell systems according to claim 8, wherein, described controller is also configured to:
Determine that external temperature that whether fuel-cell vehicle is in fuel-cell vehicle is equal to or less than the cold start-up environment of predetermined temperature; And
Described angular speed is increased in response to determining described fuel-cell vehicle to be in cold start-up environment.
14. fuel cell systems according to claim 8, wherein, described controller is also configured to:
After the described angular speed increasing described rotating magnetic field, increase the value of the current-order of described motor, to increase the induced current of described induction motor.
15. 1 kinds of non-transitory computer-readable medium comprising the program command performed by controller, described computer-readable medium comprises:
Increase sharply the angular speed of rotating magnetic field of induction motor to maximize the iron loss of described induction motor and to increase the program command of the temperature of fuel cell pack; And
The described angular speed using moment of torsion arrester to eliminate due to described rotating magnetic field increases and the program command of the moment of torsion of the described induction motor of increase.
16. non-transitory computer-readable medium according to claim 15, also comprise:
Determine whether the change-speed gearing of vehicle is engaged to the program command of parking gear; And
The program command of the described angular speed of described rotating magnetic field is increased when described change-speed gearing is engaged to described parking gear.
17. non-transitory computer-readable medium according to claim 16, also comprise:
The gear exporting described parking gear of being shifted gears to by described change-speed gearing when described change-speed gearing is not engaged to described parking gear changes the program command of request signal.
18. non-transitory computer-readable medium according to claim 17, also comprise:
The program command of the described angular speed of described rotating magnetic field is increased when described parking gear shifted gears by described change-speed gearing in response to described gear changes request signal.
19. non-transitory computer-readable medium according to claim 15, also comprise:
Determine that external temperature that whether fuel-cell vehicle is in fuel-cell vehicle is equal to or less than the program command of the cold start-up environment of predetermined temperature; And
The program command of described angular speed is increased in response to determining described fuel-cell vehicle to be in cold start-up environment.
20. non-transitory computer-readable medium according to claim 15, also comprise:
After the described angular speed increasing described rotating magnetic field, increase the value of the current-order of described motor to increase the faradic program command of described induction motor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2014-0070967 | 2014-06-11 | ||
| KR1020140070967A KR101592705B1 (en) | 2014-06-11 | 2014-06-11 | Fuel cell system and contolling method thereof |
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| Publication Number | Publication Date |
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| CN105336970A true CN105336970A (en) | 2016-02-17 |
| CN105336970B CN105336970B (en) | 2019-06-18 |
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| CN201410669623.8A Active CN105336970B (en) | 2014-06-11 | 2014-11-20 | Fuel cell system and method for controlling the fuel cell system |
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| Country | Link |
|---|---|
| US (1) | US9786930B2 (en) |
| JP (1) | JP6444669B2 (en) |
| KR (1) | KR101592705B1 (en) |
| CN (1) | CN105336970B (en) |
| DE (1) | DE102014222193A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685299A (en) * | 2021-09-08 | 2021-11-23 | 馨联动力(曲阜)有限公司 | Low-temperature cold start control method for P-gear engine of hybrid electric vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11372046B2 (en) * | 2019-09-10 | 2022-06-28 | GM Global Technology Operations LLC | Identification and mapping of fuel cell cathode valve ice breaking stall torque capability |
| CN113036189B (en) * | 2021-03-01 | 2022-09-30 | 中国科学技术大学 | Method and device for detecting running state of proton exchange membrane fuel cell |
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- 2014-09-11 JP JP2014185389A patent/JP6444669B2/en active Active
- 2014-10-26 US US14/523,899 patent/US9786930B2/en active Active
- 2014-10-30 DE DE102014222193.5A patent/DE102014222193A1/en active Pending
- 2014-11-20 CN CN201410669623.8A patent/CN105336970B/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20150142798A (en) | 2015-12-23 |
| DE102014222193A1 (en) | 2015-12-17 |
| JP2016001585A (en) | 2016-01-07 |
| JP6444669B2 (en) | 2018-12-26 |
| US20150364776A1 (en) | 2015-12-17 |
| US9786930B2 (en) | 2017-10-10 |
| KR101592705B1 (en) | 2016-02-19 |
| CN105336970B (en) | 2019-06-18 |
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